/Engine/Source/Editor/UnrealEd/Public/Commandlets/AnalyzeReferencedContentStat.h
For a given list of parameters, compute a full spread of potential savings values using vertex light, or 256, 128, 64, 32 pixel square light maps
static void CalculateLightingOptimizationInfo &40; ELightMapInteractionType LMType, int32 NumVertices, int32 Width, int32 Height, int32 TexCoordIndex, FLightingOptimizationStats & LOStats &41;